Which sentence is punctuated correctly?
A.
I scored a higher grade, on this test, than any other I've taken in my entire life.
B.
I scored a higher grade on this test than any other, I've taken in my entire life.
C.
I scored a higher grade on this test, than any other I've taken in my entire life.
D.
I scored a higher grade on this test than any other I've taken in my entire life.